Arnulf I, Count of Flanders
| Arnulf I | |
|---|---|
| Seal of Arnulf I | |
| Count of Flanders | |
| Reign | 918 – 27 March 964 | 
| Successor | Baldwin III Arnulf II | 
| Born | between 893 and 899 | 
| Died | 27 March 964 (aged 70–71) | 
| Noble family | House of Flanders | 
| Spouse(s) | Adele of Vermandois | 
| Issue | Baldwin III, Count of Flanders | 
| Father | Baldwin II of Flanders | 
| Mother | Ælfthryth of Wessex | 
Arnulf I (c. 893/899 – 27 March 964), called "the Great", was the first Count of Flanders.